save_memory_dump · x64dbg MCP Server MCP: Risk & Policy

WHAT IT DOES

What save_memory_dump does on x64dbg MCP Server

AI agents use save_memory_dump to create or update resources in x64dbg MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your x64dbg MCP Server environment.

WHY IT NEEDS A POLICY

Why save_memory_dump needs a policy

This tool creates or modifies files on the local filesystem by extracting memory from a debugged process. While the operation itself is reversible (files can be deleted), the capability to dump sensitive memory regions (containing credentials, keys, plaintext data) and persist them to disk poses a medium-severity risk if misused by an AI agent without proper authorization or context.

From the tool's definition 'Dump a raw memory region from the debuggee to a file on disk' — writes binary data to disk, creating a new file or overwriting an existing one with memory contents.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

save_memory_dump Rate-limited

save_memory_dump stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "save_memory_dump": {
      "limits": [
        {
          "counter": "save_memory_dump_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches x64dbg MCP Server, so you can run agents against it safely.

FAQ

Questions about save_memory_dump

What does the save_memory_dump tool do? +

Dump a raw memory region from the debuggee to a file on disk. It is categorised as a Write tool in the x64dbg MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on save_memory_dump? +

Register the x64dbg MCP Server MCP server in PolicyLayer and add a rule for save_memory_dump: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches x64dbg MCP Server. Nothing to install.

What risk level is save_memory_dump? +

save_memory_dump is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit save_memory_dump? +

Yes. Add a rate_limit block to the save_memory_dump rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block save_memory_dump completely? +

Set action: deny in the PolicyLayer policy for save_memory_dump. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides save_memory_dump? +

save_memory_dump is provided by the x64dbg MCP Server MCP server (ouonet/x64dbg-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.